Enhance Your Aquascape with Dymax CO2 Tablets The efficient Dymax CO2 Tablets release fine bubbles, delivering essential CO2, nutrients, and elements for healthy aquatic plants. Their larger surface area allows for longer diffusion of carbon dioxide. Key features include fine CO2 release, nutrient and element inclusion, and 20 tablets per box. Dissolves within 20-25 minutes and recommended dosage is one tablet per 20 liters daily.